The growth of testis and penile shaft is maximised by the age of 21 and further beyond that there is no growth seen. If there has been an inadequate growth, then you may need to get your growth hormone levels checked to ascertain the cause. But once achieved at this age, it is unlikely grow further. You may meet your physician and discuss the options in detail.
These Q&A’s are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.